[INFO] fetching crate clancy 0.1.0...
[INFO] checking clancy-0.1.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate clancy 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate clancy 0.1.0
[INFO] finished tweaking crates.io crate clancy 0.1.0
[INFO] tweaked toml for crates.io crate clancy 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate clancy 0.1.0 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate clancy 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clancy` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170
[INFO] running `Command { std: "docker" "start" "9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clancy` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]     Checking iri-string v0.7.10
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.28.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             flags,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.28.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             flags,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170", kill_on_drop: false }`
[INFO] [stdout] 9d37ee4e394eb5991b92adbd0e94a1aaad00bab561146637c2a86511555d4170
